Coordinate converter New
Convert GPS coordinates between decimal degrees, degrees and minutes, degrees minutes seconds and Dutch RD (Rijksdriehoek) coordinates.
Free geocaching and puzzle tools
Convert coordinates and RD, decode keyboard and Caesar ciphers, translate Morse code and calculate letter values for geocache puzzles.
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Letter value calculator New
Calculate the letter values of words for geocache puzzles: A=1 to Z=26, the sum per word, the total and the digital root.
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Caesar cipher & ROT13 New
Encode and decode text with the Caesar cipher or ROT13, and see all 25 shifts at once to crack a message without knowing the key.
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Morse code translator New
Translate text to Morse code and Morse code back to text, and play it as sound. Supports letters, digits and punctuation.
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Keyboard decoder
Decode substitution ciphers in geocache puzzles: replace letters with your own key, ignore characters and reverse characters or words.